The 49ers opened the window for WR Christian Kirk to begin practicing while on IR. He’s been dealing with a calf injury.

49ers opened the practice window for WR Christian Kirk, who has been on injured reserve all season due to a calf injury.

49ers injured WRs: 🏈Deebo Samuel, hamstring, at least a couple weeks. 🏈Ricky Pearsall, PCL, out for season. 🏈De'Zhaun Stribling, ankle, out at least 10 weeks 🏈Christian Kirk, calf, still on IR. 🏈Demarcus Robinson, ankle, still on IR.